COMMITMENTS AND CONTINGENCIES (Balances of Commitments and Contingencies) (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Commitments with off-balance sheet risk:
Total commitments with off-balance sheet risk	$ 5,665,151	$ 5,385,711
Commitments to Extend Credit
Commitments with off-balance sheet risk:
Total commitments with off-balance sheet risk	5,516,243	5,229,252
Standby Letters of Credit
Commitments with off-balance sheet risk:
Total commitments with off-balance sheet risk	$ 148,908	$ 156,459